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Olympus E-450 vs Pentax K-S1

Portability
77
Imaging
45
Features
36
Overall
41
Olympus E-450 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Olympus E-450 vs Pentax K-S1 Key Specs

Olympus E-450
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Announced March 2009
  • Succeeded the Olympus E-330
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Introduced August 2014
  • Renewed by Pentax K-S2
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Olympus E-450 vs Pentax K-S1 Overview

Following is a comprehensive comparison of the Olympus E-450 and Pentax K-S1, former is a Entry-Level DSLR while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. There exists a sizable gap between the resolutions of the E-450 (10MP) and K-S1 (20MP) and the E-450 (Four Thirds) and K-S1 (APS-C) have different sensor sizing.

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The E-450 was released 6 years earlier than the K-S1 which is quite a significant difference as far as technology is concerned. Both of these cameras have different body design with the Olympus E-450 being a Compact SLR camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting right into a in-depth comparison, here is a quick summation of how the E-450 matches up vs the K-S1 in relation to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-450 over the Pentax K-S1

 E-450 K-S1 

Reasons to pick Pentax K-S1 over the Olympus E-450

 K-S1 E-450 
IntroducedAugust 2014March 2009More modern by 65 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution921k230kClearer screen (+691k dot)

Common features in the Olympus E-450 and Pentax K-S1

 E-450 K-S1 
Manual focus More exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither contains selfie screen
Touch friendly screen No Touch friendly screen

Olympus E-450 vs Pentax K-S1 Physical Comparison

For those who are looking to carry around your camera, you have to consider its weight and proportions. The Olympus E-450 has got exterior dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") accompanied by a weight of 426 grams (0.94 lbs) whilst the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Check the Olympus E-450 and Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you are working with during that time. Here is a front view dimension comparison of the E-450 compared to the K-S1.

Olympus E-450 vs Pentax K-S1 size comparison

Looking at dimensions and weight, the portability grade of the E-450 and K-S1 is 77 and 69 respectively.

Olympus E-450 vs Pentax K-S1 top view buttons comparison

Olympus E-450 vs Pentax K-S1 Sensor Comparison

Quite often, it's hard to picture the gap between sensor sizes just by checking a spec sheet. The image below may give you a much better sense of the sensor dimensions in the E-450 and K-S1.

Clearly, the 2 cameras provide different resolutions and different sensor sizes. The E-450 due to its tinier sensor is going to make achieving shallow depth of field tougher and the Pentax K-S1 will resolve more detail as a result of its extra 10 Megapixels. Higher resolution will also allow you to crop shots more aggressively. The more aged E-450 is going to be disadvantaged with regard to sensor innovation.

Olympus E-450 vs Pentax K-S1 sensor size comparison

Olympus E-450 vs Pentax K-S1 Screen and ViewFinder

Olympus E-450 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-450 Portrait photography factors
Pentax K-S1 Portrait photography factors
57
focusing manually
nice sensor size (Four Thirds)
exports RAW formats
sensor resolution low (10MP)
77
has manual focus
decent megapixels (20MP)
sensor size is nice (APS-C)
comes with face detection focus
saves RAW files
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Street Comparison

Olympus E-450 Street photography features
Pentax K-S1 Street photography features
64
nice sensor size (Four Thirds)
exports RAW formats
lighter than competition (426 grams)
screen does not articulate
lack of image stabilization
73
has image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
lighter than others in class (558g)
above average ISO range (51,200)
no moving screen
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Sports Comparison

Olympus E-450 Sports photography information
Pentax K-S1 Sports photography information
39
nice sensor size (Four Thirds)
has phase detect AF
low fps (4.0 frames per second)
lack of image stabilization
sensor resolution low (10MP)
bad battery power (500 CIPA)
69
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
decent megapixels (20MP)
sensor size is nice (APS-C)
comes with tracking autofocus
has phase detect auto focus
slow fps (5.4 frames per second)
not so great battery (410 CIPA)
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Travel Comparison

Olympus E-450 as a Travel photography camera
Pentax K-S1 as a Travel photography camera
53
lighter than competition (426 grams)
has built in flash
lack of Time Lapse recording
bad battery power (500 per charge)
sensor resolution low (10MP)
doesn't posses selfie friendly display
60
lighter than others in class (558g)
decent megapixels (20 megapixels)
has built in flash
doesn't have Time Lapse recording
not so great battery (410 CIPA)
screen isn't selfie friendly
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Landscape Comparison

Olympus E-450 Landscape photography highlights
Pentax K-S1 Landscape photography highlights
47
focusing manually
switch lenses (Micro Four Thirds mount)
nice sensor size (Four Thirds)
exports RAW formats
screen is small (2.7 inches)
lack of image stabilization
sensor resolution low (10MP)
bad battery power (500 CIPA)
lack of Time Lapse recording
73
has manual focus
change lenses (Pentax KAF2 mount)
screen is a decent size (3 inches)
has image stabilization (Sensor based)
decent megapixels (20 megapixels)
sensor size is nice (APS-C)
does not have anti aliasing filter
above average ISO range (51,200)
saves RAW files
not so great battery (410 shots)
doesn't have Time Lapse recording
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Vlogging Comparison

Olympus E-450 Vlogging features
Pentax K-S1 Vlogging features
9
lack of video recording
33
has image stabilization (Sensor based)
comes with face detection focus
video res high (1920 x 1080 resolution)
lighter than others in class (558g)
screen isn't selfie friendly
doesn't have external mic socket
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Olympus E-450 vs Pentax K-S1 Specifications

Detailed spec comparison table for Olympus E-450 and Pentax K-S1
 Olympus E-450Pentax K-S1
General Information
Brand Olympus Pentax
Model Olympus E-450 Pentax K-S1
Class Entry-Level DSLR Advanced DSLR
Announced 2009-03-31 2014-08-27
Physical type Compact SLR Mid-size SLR
Sensor Information
Chip TruePic III Prime MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 10 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest resolution 3648 x 2736 5472 x 3648
Highest native ISO 1600 51200
Min native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 3 11
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Amount of lenses 45 151
Focal length multiplier 2.1 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7" 3"
Resolution of screen 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.46x 0.64x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/6000 secs
Continuous shooting rate 4.0 frames/s 5.4 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 10.00 m (at ISO 100)
Flash options Auto, Auto FP, Manual, Red-Eye Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution None 1920x1080
Video data format - H.264
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 426g (0.94 lb) 558g (1.23 lb)
Physical dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO All around score 56 78
DXO Color Depth score 21.5 23.5
DXO Dynamic range score 10.5 13.0
DXO Low light score 512 1061
Other
Battery life 500 images 410 images
Battery type Battery Pack Battery Pack
Battery model - D-LI109
Self timer Yes (2 or 12 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC
Card slots One One
Launch cost $138 $339